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Acute sinusitis; Chronic sinusitis 

 

Sinusitis is inflammation, either bacterial, viral, allergic or autoimmune, of the paranasal sinuses.

Anatomically, a nose is a protuberance in vertebrates that houses the nostrils, or nares, which admit and expel air for respiration. In most mammals, it also houses the nosehairs, which catch airborne particles and prevent them from reaching the lungs. Within and behind the nose is the olfactory mucosa and the sinuses. Behind the nasal cavity, air next passes through the pharynx, shared with the digestive system, and then into the rest of the respiratory system. ...


Sinusitis as related to Nose